blockdev: Replace drive_add()'s fmt, ... by optstr parameter

Let the callers build the optstr.  Only one wants to.  All the others
become simpler, because they don't have to worry about escaping '%'.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

1 files changed, 1 insertions, 7 deletions

diff --git a/blockdev.c b/blockdev.c
index 3f7b560..4b2145c 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -93,17 +93,11 @@ QemuOpts *drive_def(const char *optstr)
 }
 
 QemuOpts *drive_add(BlockInterfaceType type, int index, const char *file,
-                    const char *fmt, ...)
+                    const char *optstr)
 {
-    va_list ap;
-    char optstr[1024];
     QemuOpts *opts;
     char buf[32];
 
-    va_start(ap, fmt);
-    vsnprintf(optstr, sizeof(optstr), fmt, ap);
-    va_end(ap);
-
     opts = drive_def(optstr);
     if (!opts) {
         return NULL;